Color icon for a portion of a display screen



The file of this patent contains a color drawing.

The FIGURE is a front view of a color icon for a portion of a display screen showing my new design.

The broken line showing of the portion of the display screen is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a color icon for a portion of a display screen, as shown and described. 